Place it right after the unbelievable claim in a reaction edit, then follow with the awkward moment sound while the speaker reacts, or close the sequence with the womp womp fail sound for a second, broader letdown after the reply.
關於此聲音
This is a short spoken Tagalog line, about two and a half seconds long, delivering the phrase 'Kwento mo sa pagong' in one blunt burst. It feels dismissive and playfully sarcastic, the kind of reply that says a story sounds too far-fetched to take seriously, turning disbelief into a quick, funny shutdown instead of a long argument.